diff --git a/requirements.txt b/requirements.txt
index d27a47b..5674ac9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask==0.12.2
 gunicorn==19.7.1
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 pycparser==2.18
 pyOpenSSL==17.3.0